Messages in this thread |  | | From | pavel-velo@bug ... | Subject | RE: KPATCH] Reserve VM for root (was: Re: Looking for better VM) | Date | Wed, 1 Jan 1997 22:21 -0800 |
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Hi!
>I've also never said OOM killer should be disabled. In theory the >non-overcommitting systems deadlock, Linux survives. Ironically >usually it's just the opposite in practice. Any user can >deadlock/crash Linux [default install, no quotas] but not an >non-overcommitting system [root can clean up]. Here is an example code >"simulating" a leaking daemon that will "deadlock" Linux even with >your OOM killer patch [that is anyway *MUCH* better than the actually >non-existing one in 2.2.x kernels]: > >main() { while(1) if (fork()) malloc(1); } > >With the patch below I could ssh to the host and killall the offending >processes. To enable reserving VM space for root do
what about main() { while(1) system("ftp localhost &"); }
This. or so,ething similar should allow you to kill your machine even with your patch from normal user account
Pavel
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